Submission #1947327
Source Code Expand
#include<iostream> #include<iomanip> #include<math.h> #include<vector> #include<algorithm> #include<set> #include<map> #include<queue> #include<stack> #include<string> #include<bitset> #include<random> #define INF 1000000000ll #define MOD 1000000007ll #define EPS 1e-10 #define REP(i,m) for(long long i=0; i<m; i++) #define FOR(i,n,m) for(long long i=n; i<m; i++) #define DUMP(a) for(long long dump=0; dump<(ll)a.size(); dump++) { cout<<a[dump]; if(dump!=(ll)a.size()-1) cout<<" "; else cout<<endl; } #define ALL(v) v.begin(),v.end() #define pb push_back using namespace std; typedef long long ll; typedef pair<ll, ll> P; typedef long double ld; int main() { cin.tie(0); ios::sync_with_stdio(false); ll n,h; cin>>n>>h; vector<ll> a(n); vector<ll> b(n); REP(i,n) cin>>a[i]>>b[i]; sort(ALL(a)); sort(ALL(b)); ll buf=a[n-1]; ll ans=INF*INF; ll sum=0; REP(i,n) { sum+=b[n-1-i]; ll tmp=i+1; if(sum<h) { tmp+=(h-sum-1)/buf+1; } ans=min(ans,tmp); } cout<<ans<<endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Katana Thrower |
User | gazelle |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 1038 Byte |
Status | AC |
Exec Time | 29 ms |
Memory | 1792 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | a01, a02, a03, a04 |
All | a01, a02, a03, a04, b05, b06, b07, b08, b09, b10, b11, b12, b13, b14, b15, b16, b17, b18, b19, b20, b21, b22, b23, b24 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
a01 | AC | 1 ms | 256 KB |
a02 | AC | 1 ms | 256 KB |
a03 | AC | 1 ms | 256 KB |
a04 | AC | 1 ms | 256 KB |
b05 | AC | 1 ms | 256 KB |
b06 | AC | 25 ms | 1792 KB |
b07 | AC | 1 ms | 256 KB |
b08 | AC | 25 ms | 1792 KB |
b09 | AC | 1 ms | 256 KB |
b10 | AC | 1 ms | 256 KB |
b11 | AC | 1 ms | 256 KB |
b12 | AC | 1 ms | 256 KB |
b13 | AC | 17 ms | 1792 KB |
b14 | AC | 16 ms | 1792 KB |
b15 | AC | 15 ms | 1792 KB |
b16 | AC | 16 ms | 1792 KB |
b17 | AC | 29 ms | 1792 KB |
b18 | AC | 26 ms | 1792 KB |
b19 | AC | 21 ms | 1792 KB |
b20 | AC | 22 ms | 1792 KB |
b21 | AC | 26 ms | 1792 KB |
b22 | AC | 27 ms | 1792 KB |
b23 | AC | 1 ms | 256 KB |
b24 | AC | 2 ms | 256 KB |